[Bug 1881282] [NEW] Zombie "Authentication Required" dialog when lurking when update-manger left alone

[Krister]

Public bug reported:

1. open update-manager when there are new kernel packages ready
2. click on the button to install the updates
3. get distracted and walk away from the computer for some time
.
.
.
4. return to the computer

Find that the "Authentication Required" dialog is the only thing there,
stuck to the top-right corner of the screen, blocking everything behind
it. It is impossible to get rid of the window.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: update-manager 1:20.04.10
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri May 29 13:44:03 2020
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

** Attachment added: "zombie_authentication.png"
   https://bugs.launchpad.net/bugs/1881282/+attachment/5378373/+files/zombie_authentication.png

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https://bugs.launchpad.net/bugs/1881282

Title:
  Zombie "Authentication Required" dialog when lurking when update-
  manger left alone

Status in update-manager package in Ubuntu:
  New

Bug description:
  1. open update-manager when there are new kernel packages ready
  2. click on the button to install the updates
  3. get distracted and walk away from the computer for some time
  .
  .
  .
  4. return to the computer

  Find that the "Authentication Required" dialog is the only thing
  there, stuck to the top-right corner of the screen, blocking
  everything behind it. It is impossible to get rid of the window.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: update-manager 1:20.04.10
  ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
  Uname: Linux 5.4.0-31-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu27.2
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Fri May 29 13:44:03 2020
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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